ALP300 Low-voltage Protection and Control Relay
● 2 programmable DI ● 1 programmable DO ● Modbus-RTU communication ● 1 DC4-20mA analog output
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● 2 programmable DI ● 1 programmable DO ● Modbus-RTU communication ● 1 DC4-20mA analog output
ALP300 protector (hereinafter referred to as protector) adopts the latest single-chip microcomputer technology and has features of strong capacity of resisting disturbance, stable and reliable working,digitization and intellectualization and so on.
① Protective function
② Analog
③ Measurement, monitoring Three-phase current, leakage current
④ Communication(RS485 Modbus RTU)
| Technical parameters | Technical indicators | |
| Protector auxiliary power supply | AC85V~265V | |
| Rated working voltage of the motor | AC380V，50Hz/60Hz | |
| Rated operating current of the motor | 5 (0.1A-5000A) | |
| 25（6.3A-25A） | ||
| 100（25A-100A） | ||
| Switching input | 4 channels, AC250V,3A;DC30V,3A | |
| Communication | MODBUS RTU communication | |
| Environment | Working temperature | -10ºC～55ºC |
| Storage temperature | -25ºC～70ºC | |
| Relative humidity | ≤95﹪No condensation, no corrosive gas | |
| Altitude | ≤2000m | |
| Pollution levels | Class 2 | |
| Protection grade | IP30 | |
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